Naukari4u

1. 110V, AC
2. 230V, AC 
3.  415 V, AC 
4. None 

1.   1 HP  
2.   0.5 HP
3.  2 HP
4. None 

33.  Which type of motor used in WRA? 

1. Single phase induction motor
2. Two phase induction motor
3. Three phase induction motor 
4. None 

1. Squirrel cage 
2. Slip ring
3. A (or) B
4. None 

35.  What is the main purpose of the pump controller? 

1. 1. To control WSP 
   2. To control WRA pump
   3.  To control contactors
   4. None of the above

36.  What is the class of insulation of winding in the pump motor? 

1. 1. H- class  
   2. F-class
   3. E-class 
   4. None of the above

37.  What is the full load current of motor of pump set of WRA? 

1. 1. 1.1 Amp
   2. 1.5 Amps
   3. 2.5 Amps
   4. 3.0 Amps 

38.  What is the rated speed of the pump set of WRA? 

1. 1. 1520 RPM
   2. 2800 RPM
   3.  3000 RPM
   4. 3200 RPM

39.  What is the total head of the pump set for WRA? 

1. 1.   3 mts.  
   2.   5 mts.
   3.   8 mts.
   4. 10 mts.

40.  What is the discharging capacity of the pump set? 

1. 0.5 LPS
2. 0.7 LPS
3. 0.8 LPS
4. 1.0 LPS 

41.  What is the suction flange size of the pump set of WRA? 

1.  1” BSP
2.  2’’ BSP
3.   3” BSP
4.  4” BSP

42.  What is the protection used in the monoblock pump set of  WRA ?

1. Single phasing
2. Overvoltage
3.  Dry run
4. All of above

43.  How many pump sets provided in AC coach? 

1. One 
2. Two
3.  Three
4. Four

44.  Each pump in coach is alternately switched by the pump controller for how many hours? 

1. 6 hours 
2. 4 hours
3.  3 hours
4. 2 hours

45.  What is the voltage of contactor coils of the LHB Variant RMPUs control panel? 

1. 110 V DC
2.  110 V AC 
3. 230 V AC
4.  415 V AC